added a test plot for a single data point and resolved the issues with it

13 years ago · fbf3cf7f60
parent 5080965723
commit fbf3cf7f60
2 changed files with 45 additions and 2 deletions
--- a/curvedLines.js
+++ b/curvedLines.js
@ -104,7 +104,6 @@

 			//if the plugin is active register processDatapoints method
 			function processOptions(plot, options) {
-
 				if (options.series.curvedLines.active) {
 					plot.hooks.processDatapoints.unshift(processDatapoints);
 				}
@ -112,7 +111,10 @@

 			//only if the plugin is active
 			function processDatapoints(plot, series, datapoints) {
-				if (series.curvedLines.apply == true && series.originSeries === undefined) {
+				var nrPoints = datapoints.points.length / datapoints.pointsize;
+				var EPSILON = 0.5; //pretty large epsilon but save
+
+				if (series.curvedLines.apply == true && series.originSeries === undefined && nrPoints > (1 + EPSILON)) {
 					if (series.lines.fill) {

 						var pointsTop = calculateCurvePoints(datapoints, series.curvedLines, 1)
--- a/tests/testSinglePoint.htm
+++ b/tests/testSinglePoint.htm
@ -0,0 +1,41 @@
+<hmtl>
+	<head>
+		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
+		<title>CurvedLines Plugin for flot</title>
+		<script type="text/javascript" src="../jquery-1.8.3.min.js"></script>
+		<!--[if lte IE 8]><script language="javascript" type="text/javascript" src="flot/excanvas.min.js"></script><![endif]-->
+		<script language="javascript" type="text/javascript" src="../flot/jquery.flot.js"></script>
+		<script language="JavaScript" type="text/javascript" src="../curvedLines.js"></script>
+	</head>
+	<body>
+		<div id="placeholder" style="width: 800;height: 400;"></div>
+
+		<script id="source" language="javascript" type="text/javascript">
+			var d1 = [[4, 4]];
+			var options = {
+				series : {
+					curvedLines : {
+						active : true,
+						fit : true
+					}
+				}
+			};
+			$.plot($("#placeholder"), [{
+				data : d1,
+				lines : {
+					show : true
+				},
+				curvedLines : {
+					apply : true
+				}
+			}, {
+				data : d1,
+				points : {
+					show : true
+				}
+			}], options);
+		</script>
+	</body>
+
+</hmtl>
+